code: def vector_store_handler():
      # patch the actual "execute" methods of the handler with Mock
      vector_store_handler: VectorStoreHandler = VectorStoreHandler(
          "test"
      )
      vector_store_handler.create_table = Mock()
      vector_store_handler.drop_table = Mock()
      vector_store_handler.insert = Mock()
      vector_store_handler.update = Mock()
      vector_store_handler.delete = Mock()
      vector_store_handler.select = Mock()
  
      return vector_store_handler
  
file_path: mindsdb/tests/handler_tests/test_vectordatabase_dispatch.py
imports: from unittest.mock import Mock
  import pandas
  import pytest
  from mindsdb_sql import parse_sql
  from pandas.testing import assert_frame_equal
  from mindsdb.integrations.libs.vectordatabase_handler import FilterCondition, FilterOperator, VectorStoreHandler
label_desc: Use image node_id 1 for calling a global function with example usage: vector_store_handler() and returns: vector_store_handler